Locomotive sander



Jan. 6. 1925. 1,521,799

w. H. WHITE LOCOMOTIVE SANDER Filed Oct. 15, 1924 2 Sheets-Sheet 1 gwwwtoz Jan. 6. 1925. 1,521,799

. w. H. WHITE LOCOMOTIVE SANDER Filed Oct. 15, 1924 2 Sheets-Sheet 2 r a; A 55.

1 v i J2 I i} 65 56 F6 f I 26 t $atented Jan. 6, 1925.

oar-tee stares rarest rice.

.WILLIA H. WHITE, on ROLNOKE, VIRGINIA, AssIGNon, BY mun ASSIGNMENTS,

T0 GRAHAM-WHITE SANDER PORATIQN OF VIRGINIA.

CORPORATION, OF ROAN OKE, VIRGINIA, A. COR- LOCOMOI'IIVE SANDER.

' Application filed October '15, 1924. Serial at. 743,793.

To all whom it may concern:

Be it known that I,'VVILLIAM H. WHITE,"

a citizen of theUnited States, residing at Roanoke, in the State of Virginia, have invented certain new and useful Improvements in Locomotive Sanders; and. I do hereby declare the following to be a' full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same 7 The invention relates to sanders for loco motives and more particularly to automatically operated sanders whose operation is initiated by the operation of at least a portion of the driving mechanism of the locomotive. V

To this end, the principal object of the invention, generally stated, is to provide pneumatic or fluid pressure sanding op-y r the arrangement being such that the sander is brought into operation simultaneously with the operation of the fluid pressure means controlling the portion of the 1000- motive driving mechanism Still another object of the invention is to provide a pneumatically operated sanding mechanism adapted for use with a so-called booster locomotive, the arrangement being such that the sander is adapted to be brought into operation by the operation of the fluid pressure control of the booster.

A still further object of the invention. is to provide in a device of the character above described, a pneumatically operated valve which is operatively connected to the booster sander and interposed in the booster controlling line and so. arranged that at the option ofthe engineer the sander may be operated either prior to, simultaneously with, or during the operation of the booster.

To these and other ends the invention.

Figure 1 is a diagrammatic viewshowing a locomotive equipped with booster operated trailer wheels showing the sanding mechanism for the locomotive wheels and additional sanding mechanism for the booster wheels, and illustrating also the position and connection between the sander operating valve and the booster controlling mechanism. Figure 2 is a view in vertical cross section of a pneumatically operated sander controlling valve.

Figure 3 is a side elevation of the same. Figures 4 and 5 are respectively cross sections on the lines k t and 55 of Figure 2, the direction of view being indicated by fhe arrows adjacent the ends of said section mes. 1

Throughout the specification and drawings like parts are designated by like reference characters.

Before describing the particular embodiment of the invention here illustrated in detail, it is pointed out that while I have shown the invention as applied to a booster equipped locomotive of a well known type, .the invention is of broader aspect than here illustrated and that it is equally well adapted for use in connection with locomotives in which either a portion or the entire driving mechanism is controlled by fluid presbooster mechanism comprises a steam engine carried by the'trailer wheels of the locomotive and adapted to be operatively connected to the trailer wheels by a fluid pressure cylinder, the said cylinder operating through appropriate means "to connect and gine by means of interme'shing gears, the

said gears consisting of a train operated by the engine, which train of gears is thrown into or out of mesh, as the case may be; with the gearwheel carried by 'the trailer axle through the fluid pressure cylinder above mentioned.

Referring-now to the drawings, the numeral 1 designates a locomotive equipped with a' sand dome 2 and a plurality of sand.

ing casings 33 by which the amount of sand flowing to the trackfor the locomotive drivihg wheels 4: is controlled; Tt is of course understood that the sanding casings 3 are operated at will by the engineer or operator from a valve casing 5 within the cab, the operation of which is controlled by a suitable handle or operating lever 6. lit is of course understood that similarsanding casings are on the opposite side of the'locomotive and are controlled in unison by the engineer or operator. Ata point adjacent the sand dome 2 there is applied an additional sanding casing 7, the discharge end of which is connected to a-pipe 8 and leads through a suitable flexible connection 9 to a int immediately in front of the trailer n wheels 10 of the locomotivegthe said trailer oonnect the booster engine 11,110 the'trailer.

a'xle 13. Leading from the pipe 12 there is a pipe 14 and at a suitable point on said pipe and in convenient reach of the en'- gineer or operator is a two-way valve and opera-ting handle 15; The pipe 14 passes beyond the valve 15 and is adapted to be connected to a pipe 16which is also provided with a suitable valve and operating handle 17, the purpose and object of which will hereinafter-be described, the said pipev 16 being connected on oneside of the pipe 14: with a valve casin 18. The casing 18 is provided with a p urality of communicating cylindrical chambers 19, 20' and 21.

Housed within the chamber 19 is a piston 22 having a stem 23 extending downwardly therefrom and engaging the upperface of a piston 24: which is housed within the chamber 20. The piston 24 is likewise provided with astem 25 which in turn engages a wing valve member 26 which is disposed within the cylinder chamber 21, and interposed between the bottom of the valve member 26 and a closure member 27- is'a spring 28 The chamber 20 is provided with a plurality of pairs of openings designated respectively as 29 and 30 which preferably are diametrically opposed and which are connected by means of pipes 31 and 32, respectively, to the sander casings 7. Within thechamber 19 and located above the normal position of the piston 22 is' a bleed port 33 and at a convenient point on fluid pressure to the booster actuating mechanismnauses an inflow of fluid pres-.

sure through the pipes 1% and 16 and from the pipe 16 through the pipe 35 which enters the casing 18 at apoint over the top of the piston 22.. The pipe, 36 which enters the chamber 21 through the opening 37 therein is connected to the same source of fluid pressure as is the pipe 35 but owing to-the. diflerence in areas of the piston 22 and the valve member 26, the admission of fluid pressure through the pipe 35 causes pistons 22 a downward movement of rth and 24: and the valve member 26, thus admitting fluid pressure from the casing 21 into'the casing 20. The fluid passin within the casing 20 is adapted to supp'y first a cleaning blast of air through the pipes 31 as is well known, before the continued downward movement of the piston 24 blocks ed the openings or ports 29 leading to the pipes 31 and consequently further flow of fluid pressure must traverse the pipes 32 and operate the sanding casings 7 and hence supply sand to the trailer wheels 10.

It will therefore be seen from the foregoing description that simultaneously with the operation of the booster actuating mechanism 1 supply to the trailer wheels a flow of sand provided of course that ythe .valve'15 is in the position 'shownin Figure 1. The valve 15 may, at any time desired, be actuated soas to close the pipe 14: and prevent the actuation of the sanding mechanism. x It 'is. sometimes desirable, however, to apply sand to the track prior to the actuation of the booster controlling mechanism and-l provide means whereby this result may be obtained. The valve mechanism 17 isadapted to control the admission of fluid pressure to the casing 18 should it be desired, as indicated above, to supply sand prior to the actuation of the booster and in this instance the valve 17 is rotated from thepo'sition shown in Figure 1 to a position where the handle is at right angles to the ipe- 16 whereupon fluid prgwsure will be admitted to the casing 18 and the operation of the sanding mechanism hereinbefore described will occur. It is to be observed that l have provided means whereby the sanding mechanism for, the booster wheels may" be operated simultaneously orsynchronouslywit-h the starting of the booster engine and means whereby the operation of the sanding mechanism; may be'interrupted without aflecting the operation of the booster actuating mechanism and l have also provided means whereby the sanding mechanism for the booster wheels may be operated independently of the booster actuating mechanism.

Having now described my invention, what I claim as new and desire to secure by Letters-Patent is: I

1. The combination with a locomotive, of fluid pressure means adapted to cause the actuation of a portion of the driving mechanism thereof, a sanding valve mounted on the locomotive, means for connecting said valve to a wheel sander, and, means for operatively connecting said sander valve to said fluid pressure actuating means.

2. The combination with a locomotive having certain of the wheels thereof connected to a source of power, of fluid pressure means for controlling the operation of said source of power, a sanding valve connected to said locomotive, means for connecting said valve to a sander for said wheels, and means for operatively connecting said sanding valve.

to said fluid pressure means.

3. The combination with a locomotive having certain of the wheels thereof connected to a source of power, of fluid pressure means for controlling the operation'of said source of power, a sandingvalve connected to said locomotive, means for connecting said valve to a sander for said wheels, and means including a fluid actuated valve connected to said fluid pressure means for actuating said sander simultaneously with the actuation of said source of power.

4. The combination with a locomotive having a booster engine and fluid pressure actuating means therefor, of a sanding valve,

means for connecting said valve to asander for said booster wheels, and means for gwheels, of fluid pressure meansforcontroL.

operatively connecting said sander valve to said booster actuating means.

5. The combination with a locomotive having the trailer wheels connected to a booster engine, of'fluid pressure means for connecting said wheels to said engine, a sander for said trailer wheels, and means including a fluid actuated valve connected to said fluid pressure means for actuating said sander simultaneously with the power actuation of said trailer wheels.

6. The combination witha booster equipped locomotive, of fluid pressure means for connecting and disconnecting the booster engine and trailer wheels, a sander for said wheels, an actuating valve therefor, a connection-- between said fluid pressure means and said valve whereby the connection of said engine and trailer wheels causes an actuation of said sander.

7. The combination with alocomotive having a. booster engine and fluid pressure ing a booster engine equipped-with fluid pressure control means, of a sander for the booster wheels, a sanding valve connected with the sander, and means for operatively connecting said valve with the-booster control means.

9. The combination with a locomotive having a booster engine for its trailer wheels and having fluid pressure means for actuating the booster, of a sander for the trailer.

wheels, a sanding valve for operating the sander, and means for operatively connectmg the sander valve with the booster actuating means 10. The combination vw1th a locomotive having trailer wheels equipped with a booster "engine and further having fluid pressure control and actuating means forthe booster engine, of asanding valve for the trailer wheels connected with the sander, and means for operatively connecting said valve to said booster actuating means. I

11. The combination with a locomotive having a booster and fluid pressure means for throwing the booster into or out of operation, of a sander for the booster wheels, 'a valve for controlling the operation of the sander, and an operable connection between said fluid pressure means and said valve for effecting simultaneous movement of the sander and booster.

12. The combination with a locomotive I having a booster engine for its trailer iling the actuation of the booster engine, a sander forthe trailer wheels, a controlling valve operatively connected with the sander, means for operatively connecting the valve to the booster actuating means for simultaneous operation therewith, and means for controlling the operation of the valve during or prior to actuation of the booster.

13. The combination with a locomotive having a booster engine for its trailer wheels, of fluid pressure means for throwing the booster intoor' out of operation, a sander for the trailer wheels, fluid pressure responsive means connected with-the sander for actuating the same, and means for operatively connecting said fluid pressure responsive means with said booster actuating means. n.

In testimony whereof I aflix my signature.

WILLIAM H. WHITE, 

